AI-Model Network: Concept, Current State and Future DiARC: Distinguishing Positive and Negative Samples Helps Improving ARC-like Reasoning Ability of Large Language Models CPAgents: Agentic Composite Phenotype Generation for Cardiac Disease Association Robust Harmful Features Under Jailbreak Attacks: Mechanistic Evidence from Attention Head Specialization in Large Language Models Helpfulness Hurts: Domain-Dependent Degradation of Mid-Trained Compassion Values Under Post-Training